ICSE Biology Specimen Paper 2026 Class 10: CISCE Biology Sample Paper, Download PDF

Particulars

Details

Conducting Body

Council for the Indian School Certificate Examinations (CISCE)

Exam Name

ICSE Class 10 Board Examination 2026

Subject

Biology

Academic Session

2025–26

Exam Date (Biology)

13 March 2026

Official Specimen Paper

ICSE Biology Specimen Paper 2026

Mode of Availability

Online (PDF Format)

Download Source

cisce.org

Type of Questions Included

MCQs, short answer, diagram-based, and application-based questions

Question Number

Questions

Marks

1

Choose the correct answers to the questions from the given options. 

(Do not copy the question, write the correct answers only.)

(i) Allen’s blood report showed an abnormal decrease in the number of R.B.C. He is suffering from: 

(a) Polycythemia 

(b) Erythropenia 

(c) Glycosuria 

(d) Haemophilia

(ii) A farmer notices that storing ripe mangoes with unripe ones speeds up the ripening process. The phytohormone primarily responsible for this phenomenon is: 

(a) Auxins 

(b) Cytokinins 

(c) Gibberellins 

(d) Ethylene

(iii) 

Assertion (A): Oxygen is produced during light dependent reactions of photosynthesis. 

Reason (R) : Oxygen is released as a byproduct during photolysis.

(a) (A) is true and (R) is false. 

(b) (A) is false and (R) is true. 

(c) Both (A) and (R) are true and (R) is the correct explanation of (A). 

(d) Both (A) and (R) are true but (R) is not the correct explanation of (A).

(iv) Reena gets emotionally stressed when the school examinations are approaching. Which hormone is responsible for this condition? 

(a) Adrenaline 

(b) Thyroxine 

(c) Insulin 

(d) Growth hormone

(v) The diagram given below is that of a Neutrophil. The function is ___________:

(a) secreting hormone 

(b) transporting food

(c) phagocytosis 

(d) producing antibodies

(vi) Assertion (A): Pituitary gland is known as the master gland. 

Reason (R): It regulates the activities of other exocrine glands.

(a) (A) is true and (R) is false. 

(b) (A) is false and (R) is true. 

(c) Both (A) and (R) are true and (R) is the correct explanation of (A). 

(d) Both (A) and (R) are true but (R) is not the correct explanation of (A).

(vii) Aruna went to a theatre to watch a movie on a bright sunny morning. As she came out of the theatre, she felt a dazzling effect and could not open her eyes. After a few minutes her vision became normal. This is due to:

(a) Accommodation of eye 

(b) Mutation 

(c) Polarisation 

(d) Adaptation of eyes

(viii) Reflex actions provide a survival advantage because they: 

(a) are controlled by the cerebrum. 

(b) are controlled by the medulla oblongata. 

(c) require no conscious thought, allowing rapid responses. (d) always involve the spinal cord.

(ix) Industrial melanism is the phenomenon by which the peppered moth: 

(a) die due to industrial growth. 

(b) in polluted areas, became darker in colour for better camouflage. 

(c) became lighter in colour due to natural selection. 

(d) became resistant to industrial pollution.  

(x) The hormone that maintains the thickening of the endometrium during pregnancy is: 

(a) Oestrogen 

(b) ACTH 

(c) Progesterone 

(d) Oxytocin

(xi) The onset of menstruation in a human female is called: (a) Menopause 

(b) Menarche 

(c) Ovulation 

(d) Oogenesis

(xii) The number of autosomes and allosomes present in a human cell: 

(a) 22 allosomes, 1 autosome 

(b) 22 pairs of autosomes, 1 pair of allosome 

(c) 22 autosomes, 1 allosome 

(d) 22 pairs of allosomes, 1pair of autosome

(xiii) Cultural revolution favours a steep rise in human population. Identify the correct sequence of revolution: 

(a) Tool making, Scientific and Industrial, Agricultural 

(b) Agricultural, Tool making, Scientific and Industrial 

(c) Scientific and Industrial, Agricultural, Tool making 

(d) Tool making, Agricultural, Scientific and Industrial  

(xiv) Tanvi tried to match the phases of menstrual cycle with the number of days as given in the table below:

Identify the correct sequence: 

(a) P, Q, R, S 

(b) Q, S, R, P 

(c) R, P, S, Q 

(d) S, R, P, Q

(xv) Aditya who is fond of roller skating. Identify the correct terms which help him to maintain his body balance:

(a) Cerebellum, Semicircular canals, Vestibule
(b) Vestibule, Sclera, Cerebrum 

(c) Malleus, Semicircular canals, Utriculus 

(d) Sacculus, Stapes, Cochlea 

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2

(i) Give the biological/technical terms for the following: 

(a) A mixture of smoke and fog. 

(b) The inner lining of uterus. 

(c) The pressure that is responsible for the movement of water molecules across the cortical cells of the root. 

(d) The ground substance present in a chloroplast. 

(e) The fluid present between the layers of meninges.  

(ii) Given below is the diagram of a human heart. Read the information below the diagram and fill in the blanks:

The human heart pumps blood throughout the body. It is the size of a large fist. The heart is located between the lungs in the thoracic cavity. It has four chambers. The heart functions all through the lifespan of a person and is responsible for the survival of the person. 

The heart is enclosed by a membrane called (a) ____________ (Pericardium / Pleura). The ventricles give rise to two large blood vessels called (b) ____________ (Pulmonary vein / Pulmonary artery) and (c) ____________ (Aorta / Venacava). The flaps of the cuspid valves are kept in position by (d) ____________ (Chordae tendinae / Endometrium). (e) ____________ (Hepatic / Coronary) arteries supply oxygenated blood to the walls of the heart.

(iii) Choose the odd term out from each of the following set of terms. Mention the category to which the remaining three belong: 

(a) Sulphur dioxide, Oxygen, Carbon monoxide, Nitrogen dioxide. 

(b) Pons, Epidermis, Xylem, Phloem. 

(c) Tympanum, Pinna, Auditory canal, Malleus. 

(d) Ureter, Urethra, Uterus, Renal Pelvis. 

(e) Stomata, Lenticles, Cuticle, Root hair.

(iv) Rajeev, a 10 year old boy, went to an Ophthalmologist to get his eyes tested. He noticed a poster in the clinic with questions related to the parts of human eye. Help Rajeev answer the questions: 

(a) Which is the fluid that lubricates the eye? 

(b) Which cells help in colour vision? 

(c) Which nerve sends impulses from the eyeball to the brain? 

(d) Name the structure that gives colour to the eyes. 

(e) Name the part that allows entry of light rays into the eye.

(v) Study the diagram given below and match the structure with its function:

Example: Scrotum - (f)

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ICSE Specimen Class 10 Biology Paper 2026 PDF